this is a stock with renewed focus because it is warren buffett's -- one of his latest additions. small stake but he did add. >> $143 million. "the journal" takes a crack at why you would want it. secular advances in need for global grain output, emerging markets and so ford. along his burlington northern play. he adds to the position down the road. it's only a 1% stake right now. >> where are we in terms of -- i know the company put outlook looking 5% increase for full year 2013 in equipment sales, 10% for the first quarter and $3.2 billion. how does that figure -- >> in line with what wall street was expecting. revenue guidance, growth guidance, that was a little stronger than was expected. this stock has had a monster run since its last earning report back in august. it's up 18% since the end of september. an outperformer relative to the broader market. the question is, is this a pullback, not only because the eps missed but also because they had a big run of late. . are people simply taking profits here? >> we don't talk a lot before greece because there's a lot we don't know.